<template>
	<div>
		<!--面包屑导航区域-->
		<el-breadcrumb separator-class="el-icon-arrow-right">
			<el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
			<el-breadcrumb-item>用户管理</el-breadcrumb-item>
			<el-breadcrumb-item>用户列表</el-breadcrumb-item>
		</el-breadcrumb>
		<!--卡片视图区域-->
		<el-card>
			<!--搜索与添加区域-->
			<el-row :gutter="20">
				<el-col :span="8">
					<el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
						<el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
					</el-input>
				</el-col>
				<el-col :span="4">
					<el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
				</el-col>
			</el-row>
			<!--用户列表区域-->
			<el-table :data="userlist" border stripe>

				<el-table-column type="index" label="序号">
				</el-table-column>
				<el-table-column prop="username" label="姓名">
				</el-table-column>
				<el-table-column prop="email" label="邮箱">
				</el-table-column>
				<el-table-column prop="mobile" label="电话">
				</el-table-column>
				<el-table-column prop="role_name" label="角色">
				</el-table-column>
				<el-table-column label="状态">
					<template slot-scope="scope">
						<el-switch v-model="scope.row.mg_state" @change="userStateChange(scope.row)">
						</el-switch>
					</template>
				</el-table-column>
				<el-table-column label="操作" width="180">
					<template slot-scope="scope">
						<!--修改按钮-->
						<el-button type="primary" size="mini" icon="el-icon-edit" @click="showEdit(scope.row.id)"></el-button>
						<!--删除按钮-->
						<el-button type="danger" size="mini" icon="el-icon-delete" @click="deleteUser(scope.row.id)"></el-button>
						<!--分配角色按钮-->
						<el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
							<el-button @click="setRole(scope.row)" type="warning" size="mini" icon="el-icon-setting"></el-button>
						</el-tooltip>
					</template>
				</el-table-column>
			</el-table>
			<el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[1, 2, 5, 10]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total">
			</el-pagination>
		</el-card>
		<!--添加用户的对话框-->
		<el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
			<el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
				<el-form-item label="用户名" prop="username">
					<el-input v-model="addForm.username"></el-input>
				</el-form-item>
				<el-form-item label="密码" prop="password">
					<el-input v-model="addForm.password"></el-input>
				</el-form-item>
				<el-form-item label="邮箱" prop="email">
					<el-input v-model="addForm.email"></el-input>
				</el-form-item>
				<el-form-item label="手机" prop="mobile">
					<el-input v-model="addForm.mobile"></el-input>
				</el-form-item>
			</el-form>
			<span slot="footer" class="dialog-footer">
		    <el-button @click="addDialogVisible = false">取 消</el-button>
		    <el-button type="primary" @click="addUser">确 定</el-button>
		  </span>
		</el-dialog>
		<!--修改用户的对话框-->
		<el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
			<el-form :model="editForm" :rules="addFormRules" ref="editFormRef" label-width="70px">
				<el-form-item label="用户名">
					<el-input v-model="editForm.username" disabled></el-input>
				</el-form-item>
				<el-form-item label="邮箱" prop="email">
					<el-input v-model="editForm.email"></el-input>
				</el-form-item>
				<el-form-item label="手机" prop="mobile">
					<el-input v-model="editForm.mobile"></el-input>
				</el-form-item>
			</el-form>
			<span slot="footer" class="dialog-footer">
		    <el-button @click="editDialogVisible = false">取 消</el-button>
		    <el-button type="primary" @click="editUser">确 定</el-button>
		  </span>
		</el-dialog>
		<!--分配角色的对话框-->
		<el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClosed">
			<div>
				<p>当前的用户：{{userInfo.username}}</p>
				<p>当前的角色：{{userInfo.role_name}}</p>
				<p>分配新角色：
					<el-select v-model="selectdRoleId" placeholder="请选择">
						<el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id">
						</el-option>
					</el-select>
				</p>
			</div>
			<span slot="footer" class="dialog-footer">
		    <el-button @click="setRoleDialogVisible = false">取 消</el-button>
		    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
		  </span>
		</el-dialog>
	</div>
</template>

<script>
	export default {
		data() {
			//验证邮箱的校验规则
			var checkEmail = (rule, value, callback) => {
				//验证邮箱的正则表达式
				const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
				if(regEmail.test(value)) {
					return callback()
				}
				callback(new Error("请输入合法的邮箱"))
			};
			//验证手机号的校验规则
			var checkMobile = (rule, value, callback) => {
				//验证手机号的正则表达式
				const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/;
				if(regMobile.test(value)) {
					return callback()
				}
				callback(new Error("请输入合法的手机号"))
			};
			return {
				//获取用户列表的参数对象
				queryInfo: {
					query: "",
					pagenum: 1,
					pagesize: 2
				},
				userlist: [],
				total: 0,
				addDialogVisible: false,
				editDialogVisible: false,
				//添加用户的表单数据
				addForm: {
					username: "",
					password: "",
					email: "",
					mobile: ""
				},
				editForm: {},
				//添加表单的验证规则对象
				addFormRules: {
					username: [{
							required: true,
							message: '请输入用户名',
							trigger: 'blur'
						},
						{
							min: 3,
							max: 10,
							message: '长度在 3 到 10 个字符',
							trigger: 'blur'
						}
					],
					password: [{
							required: true,
							message: '请输入密码',
							trigger: 'blur'
						},
						{
							min: 6,
							max: 15,
							message: '长度在 6 到 15 个字符',
							trigger: 'blur'
						}
					],
					email: [{
						required: true,
						message: '请输入邮箱',
						trigger: 'blur'
					}, {
						validator: checkEmail,
						trigger: 'blur'
					}],
					mobile: [{
						required: true,
						message: '请输入手机号',
						trigger: 'blur'
					}, {
						validator: checkMobile,
						trigger: 'blur'
					}]
				},
				setRoleDialogVisible: false,
				//				需要被分配角色的用户信息
				userInfo: {},
				//所有角色的数据列表
				rolesList: [],
				selectdRoleId:""
			}
		},
		created() {
			this.getUserList();
		},
		methods: {
			async getUserList() {
				const {
					data: res
				} = await this.$http.get("users", {
					params: this.queryInfo
				});
				if(res.meta.status !== 200) return this.$message.error("获取用户列表失败!");
				this.userlist = res.data.users;
				this.total = res.data.total;
			},
			//监听pagesize改变的事件
			handleSizeChange(newSize) {
				this.queryInfo.pagesize = newSize;
				this.getUserList();
			},
			//监听页码值改变的事件
			handleCurrentChange(newPage) {
				this.queryInfo.pagenum = newPage;
				this.getUserList();
			},
			//监听 swich状态的改变
			async userStateChange(row) {
				const {
					data: res
				} = await this.$http.put(`users/${row.id}/state/${row.mg_state}`);
				if(res.meta.status !== 200) {
					row.mg_state = !row.mg_state;
					return this.$message.error("更新用户状态失败！");
				}
				this.$message.success("更新用户状态成功！");
			},
			//			监听对话框关闭的事件
			addDialogClosed() {
				this.$refs.addFormRef.resetFields();
			},
			//			点击按钮添加新用户
			addUser() {
				this.$refs.addFormRef.validate(async valid => {
					if(!valid) return;
					//可以发起添加用户的请求
					const {
						data: res
					} = await this.$http.post("users", this.addForm);
					if(res.meta.status !== 201) {
						return this.$message.error("添加用户失败！");
					}
					this.$message.success("添加用户成功！");
					this.addDialogVisible = false;
					this.getUserList();
				})
			},
			//			展示用户编辑的对话框
			async showEdit(id) {
				this.editDialogVisible = true;
				const {
					data: res
				} = await this.$http.get("users/" + id);
				if(res.meta.status !== 200) {
					return this.$message.error("查询用户信息！");
				}
				this.editForm = res.data;

			},
			editDialogClosed() {
				this.$refs.editFormRef.resetFields();
			},
			//点击按钮修改用户
			editUser() {
				this.$refs.editFormRef.validate(async valid => {
					if(!valid) return;
					//可以发起添加用户的请求
					const {
						data: res
					} = await this.$http.put("users/" + this.editForm.id, {
						email: this.editForm.email,
						mobile: this.editForm.mobile
					});
					if(res.meta.status !== 200) {
						return this.$message.error("修改用户失败！");
					}
					this.$message.success("修改用户成功！");
					this.editDialogVisible = false;
					this.getUserList();
				})
			},
			//删除用户
			async deleteUser(id) {
				//弹框询问用户是否删除数据
				const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
					confirmButtonText: '确定',
					cancelButtonText: '取消',
					type: 'warning'
				}).catch(err => err)
				if(confirmResult !== "confirm") {
					return this.$message.info("已取消删除！")
				}
				const {
					data: res
				} = await this.$http.delete("users/" + id);
				if(res.meta.status !== 200) {
					return this.$message.error("删除用户失败！");
				}
				this.$message.success("删除用户成功！");
				this.getUserList();
			},
			//展示分配角色的对话框
			async setRole(userInfo) {
				this.userInfo = userInfo;
				//获取角色列表
				const {
					data: res
				} = await this.$http.get("roles");
				if(res.meta.status !== 200) {
					return this.$message.error("获取角色失败！");
				}
				this.rolesList = res.data;
				this.setRoleDialogVisible = true;
			},
			setRoleDialogClosed() {
				this.selectdRoleId=""
			},
			async saveRoleInfo(){
				if(!this.selectdRoleId){
					return this.$message.error("请选择要分配的角色！");
				}
				const {
					data: res
				} = await this.$http.put("users/"+this.userInfo.id+"/role",{
					rid:this.selectdRoleId
				});
				if(res.meta.status !== 200) {
					return this.$message.error("更新角色失败！");
				}
				this.$message.success("更新角色成功！");
				this.getUserList();
				this.setRoleDialogVisible = false;
			}

		}
	}
</script>

<style>

</style>